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245 lines
8.5 KiB
C
245 lines
8.5 KiB
C
#ifndef __WIDGET_H
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#define __WIDGET_H
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#define C_BOOL 1
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#define C_CHANGE 2
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/* Please note that the first element in all the widgets is a */
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/* widget variable of type Widget. We abuse this fact everywhere */
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/* Widget_Items */
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#define HIDDEN_BUTTON 0
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#define NARROW_BUTTON 1
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#define NORMAL_BUTTON 2
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#define DEFPUSH_BUTTON 3
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typedef struct WButton {
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Widget widget;
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int action; /* what to do when pressed */
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int selected; /* button state */
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unsigned int flags; /* button flags */
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char *text; /* text of button */
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int hotkey; /* hot KEY */
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int hotpos; /* offset hot KEY char in text */
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int (*callback)(int, void*); /* Callback function */
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void *callback_data;
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} WButton;
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typedef struct WRadio {
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Widget widget;
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unsigned int state; /* radio button state */
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int pos, sel;
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int count; /* number of members */
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char **texts; /* texts of labels */
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int upper_letter_is_hotkey; /* If true, then the capital letter is a hk */
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#ifdef HAVE_GNOME
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void *first_gtk_radio;
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#endif
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} WRadio;
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typedef struct WCheck {
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Widget widget;
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unsigned int state; /* check button state */
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char *text; /* text of check button */
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int hotkey; /* hot KEY */
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int hotpos; /* offset hot KEY char in text */
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} WCheck;
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typedef struct WGauge {
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Widget widget;
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int shown;
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int max;
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int current;
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int pixels; /* Only used for Tk:
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* We keep the pixel size in the C code
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* so that we can compute quickly compute
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* the size of the rectangle in the Tk
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* canvas. Using Tcl would be too slow.
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*/
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} WGauge;
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typedef struct hist_entry {
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struct hist_entry *prev;
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struct hist_entry *next;
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char *text;
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} Hist;
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Hist *history_get (char *input_name);
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void history_put (char *input_name, Hist *h);
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char *show_hist (Hist *history, int widget_y, int widget_x);
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typedef struct {
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Widget widget;
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int point; /* cursor position in the input line */
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int mark; /* The mark position */
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int first_shown; /* Index of the first shown character */
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int current_max_len; /* Maximum length of input line */
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int field_len; /* Length of the editing field */
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int color; /* color used */
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int first; /* Is first keystroke? */
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int disable_update; /* Do we want to skip updates? */
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int is_password; /* Is this a password input line? */
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char *buffer; /* pointer to editing buffer */
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Hist *history; /* The history */
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int need_push; /* need to push the current Input on hist? */
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char **completions; /* Possible completions array */
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int completion_flags; /* INPUT_COMPLETE* bitwise flags(complete.h) */
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int inserted_one; /* TK: just one char inserted, nothing fancy */
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char *history_name; /* name of history for loading and saving */
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} WInput;
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/* For history load-save functions */
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#define INPUT_LAST_TEXT ((char *) 2)
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#define HISTORY_FILE_NAME ".mc/history"
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typedef struct {
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Widget widget;
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int auto_adjust_cols; /* compute widget.cols from strlen(text)? */
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char *text;
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int transparent; /* Paint in the default color fg/bg */
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} WLabel;
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typedef struct WLEntry {
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char *text; /* Text to display */
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int hotkey;
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void *data; /* Client information */
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struct WLEntry *next;
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struct WLEntry *prev;
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} WLEntry;
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enum {
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listbox_begin, listbox_end
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} /* listbox_insert */;
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/* Listbox actions when selecting an option: */
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enum {
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listbox_nothing,
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listbox_finish, /* finish dialog */
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listbox_cback /* call the callback routine */
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} /* listbox_action */;
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typedef int (*lcback) (void *);
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typedef struct {
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Widget widget;
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WLEntry *list; /* Pointer to the circular double linked list. */
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WLEntry *top; /* The first element displayed */
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WLEntry *current; /* The current element displayed */
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int pos; /* Cur. pos, must be kept in sync with current */
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int count; /* Number of items in the listbox */
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int width;
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int height; /* Size of the widget */
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int action; /* Action type */
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int allow_duplicates; /* Do we allow duplicates on the list? */
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int scrollbar; /* Draw a scrollbar? */
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lcback cback; /* The callback function */
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int cursor_x, cursor_y; /* Cache the values */
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} WListbox;
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typedef struct {
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Widget widget;
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int visible; /* Is it visible? */
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struct {
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char *text;
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void (*function)(void *data);
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void *data;
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} labels [10];
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} WButtonBar;
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/* Constructors */
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WButton *button_new (int y, int x, int action, int flags, char *text,
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int (*callback)(int, void *), void *extra, char *tkname);
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WRadio *radio_new (int y, int x, int count, char **text, int use_hotkey, char *tkname);
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WCheck *check_new (int y, int x, int state, char *text, char *tkname);
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WInput *input_new (int y, int x, int color, int len, char *text, char *tkname);
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WLabel *label_new (int y, int x, char *text, char *tkname);
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WGauge *gauge_new (int y, int x, int shown, int max, int current, char *tkname);
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WListbox *listbox_new (int x, int y, int width, int height, int action,
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lcback, char *tkname);
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/* Input lines */
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void winput_set_origin (WInput *i, int x, int field_len);
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int handle_char (WInput *in, int c_code);
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int is_in_input_map (WInput *in, int c_code);
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void update_input (WInput *in, int clear_first);
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void new_input (WInput *in);
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int push_history (WInput *in, char *text);
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void stuff (WInput *in, char *text, int insert_extra_space);
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void input_disable_update (WInput *in);
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void input_set_prompt (WInput *in, int field_len, char *prompt);
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void input_enable_update (WInput *in);
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void input_set_point (WInput *in, int pos);
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void input_show_cursor (WInput *in);
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void assign_text (WInput *in, char *text);
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/* Labels */
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void label_set_text (WLabel *label, char *text);
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/* Gauges */
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void gauge_set_value (WGauge *g, int max, int current);
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void gauge_show (WGauge *g, int shown);
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/* Buttons */
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void button_set_text (WButton *b, char *text);
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/* Listbox manager */
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WLEntry *listbox_get_data (WListbox *l, int pos);
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/* search text int listbox entries */
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WLEntry *listbox_search_text (WListbox *l, char *text);
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void listbox_select_entry (WListbox *l, WLEntry *dest);
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void listbox_select_by_number (WListbox *l, int n);
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void listbox_select_last (WListbox *l, int set_top);
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void listbox_remove_current (WListbox *l, int force);
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void listbox_remove_list (WListbox *l);
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void listbox_get_current (WListbox *l, char **string, char **extra);
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enum append_pos {
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LISTBOX_APPEND_AT_END, /* append at the end */
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LISTBOX_APPEND_BEFORE, /* insert before current */
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LISTBOX_APPEND_AFTER /* insert after current */
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};
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char *listbox_add_item (WListbox *l, enum append_pos pos, int
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hotkey, char *text, void *data);
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/* Hintbar routines */
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/* Buttonbar routines */
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WButtonBar *buttonbar_new (int visible);
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typedef void (*buttonbarfn )(void *);
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typedef void (*voidfn)(void);
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void define_label (Dlg_head *, Widget *paneletc, int index, char *text, voidfn);
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void define_label_data (Dlg_head *h, Widget *paneletc, int idx, char *text,
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buttonbarfn cback, void *data);
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void set_label_text (WButtonBar *, int, char *);
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void redraw_labels (Dlg_head *h, Widget *paneletc);
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WButtonBar *find_buttonbar (Dlg_head *h, Widget *paneletc);
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void buttonbar_hint (WButtonBar *bb, char *s);
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#ifdef HAVE_X
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int x_create_radio (Dlg_head *h, widget_data parent, WRadio *r);
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int x_create_button (Dlg_head *h, widget_data parent, WButton *b);
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int x_create_check (Dlg_head *h, widget_data parent, WCheck *c);
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int x_create_label (Dlg_head *h, widget_data parent, WLabel *l);
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int x_create_input (Dlg_head *h, widget_data parent, WInput *in);
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int x_create_listbox (Dlg_head *h, widget_data parent, WListbox *l);
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int x_create_buttonbar (Dlg_head *h, widget_data parent, WButtonBar *bb);
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void x_button_set (WButton *b, char *text);
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void x_label_set_text (WLabel *label, char *text);
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void x_listbox_select_nth (WListbox *l, int nth);
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void x_listbox_delete_nth (WListbox *l, int nth);
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void x_label_set_text (WLabel *label, char *text);
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int x_create_gauge (Dlg_head *h, widget_data parent, WGauge *g);
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void x_gauge_show (WGauge *g);
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void x_gauge_set_value (WGauge *g, int max, int current);
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void x_radio_toggle (WRadio *);
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void x_radio_focus_item (WRadio *radio);
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void x_listbox_select_nth (WListbox *, int);
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void x_list_insert (WListbox *, WLEntry *, WLEntry *);
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void x_redefine_label (WButtonBar *, int);
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void x_update_input (WInput *in);
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#endif
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#endif /* __WIDGET_H */
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